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ordering number : enn6499 42604tn (ot) no. 6499-1/13 overview the LA5635H power supply ic provides a set of functions optimal for car audio applications. these functions include regulators, emitter-follower outputs, open-collector outputs, and a reset function. functions ? 5 v/50 ma regulator (always on, with reverse current flow prevention function) ? 10 v, 2000 ma regulator (when used with an external 2sb921 pnp transistor) with standby function (on/off control) ? regulators (four 8 v systems and two 5 v systems) with on/off functions controlled by a shift register/latch function. this ic also provides four open-collector output systems and two emitter-follower type output systems. ? full complement of built-in protection circuits overcurrent protection for each v o except the open- collector outputs thermal protection for each v o except the v dd 5 v output ? two reset circuit systems package dimensions unit: mm 3234b-hsop28hc 15.2 (6.2) 0.25 0.3 0.1 (2.25) (0.8) 0.8 2.0 10.5 7.9 (4.9) 0.65 2.7 2.45 max heat spreader 1 14 15 28 sanyo: hsop28hc (375 mil) [LA5635H] LA5635H sanyo electric co.,ltd. semiconductor company tokyo office tokyo bldg., 1-10, 1 chome, ueno, taito-ku, tokyo, 110-8534 japan multifunction multi-voltage power supply for car av equipment monolithic linear ic any and all sanyo products described or contained herein do not have specifications that can handle applications that require extremely high levels of reliability, such as life-support systems, aircrafts control systems, or other applications whose failure can be reasonably expected to result in serious physical and/or material damage. consult with your sanyo representative nearest you before using any sanyo products described or contained herein in such applications. sanyo assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all sanyo products described or contained herein. parameter symbol conditions ratings unit supply voltage v cc max 24 v allowable power dissipation pd max ta 25c, independent ic 0.82 w mounted on a 76.1 114.3 1.6 mm 3 glass epoxy circuit board 2.01 w transistor junction to ambient air thermal q j-a 152.4 c/w resistance operating temperature topr C30 to +85 c storage temperature tstg C55 to +150 c specifications maximum ratings at ta = 25c
no. 6499- 2 /13 LA5635H parameter symbol conditions ratings unit min typ max no load state [v cc = 13.2 v, each output i o = 0] current drain 1 i q 1 v stby = 0 v, v rst in1, 2 < 4.46 v 600 780 a current drain 2 i q 2 v stby = 5 v 12 40 ma v dd 5v output [v cc = 13.2 v, v stby = 0 v, i o 1 = 50 ma] output voltage v o 1 4.75 5 5.25 v dropout voltage v drop 1 v cc = 4.75 v 1.0 1.4 v line regulation ? v o ln1 6.7 v v cc 18 v 10 30 mv load regulation ? v o ld1 0 i o 1 50 ma 50 100 mv peak output current i o p1 50 ma output shorted current i o sc1 100 ma (for reference purposes) ripple rejection r rej 1 f = 120 hz, 7 v v cc 18 v 50 56 db output pin leakage current i o leak v cc = 0 v, v o = 6 v 0.001 2 a output voltage difference 1 ? v o def1 between v dd 5v and acc5v, i o 7 = 100 ma 0.4 v output voltage difference 2 ? v o def2 between v dd 5v and cd5v, i o 8 = 300 ma 0.4 v reset block 1 [v cc = 13.2 v] reset threshold voltage v rt 1 v rst out: low ? high 4.46 4.60 4.74 v reset threshold hysteresis voltage v rth 1 0.234 0.26 0.286 v low-level reset output voltage v or l1 v rst in1 < 4.46 v, i rst out1 = 1 ma 50 200 ma reset block 2 [v cc = 13.2 v] reset threshold voltage v rt 2 v rst out2: low ? high 4.46 4.60 4.74 v reset threshold hysteresis voltage v rth 2 0.234 0.26 0.286 v low-level reset output voltage v or l2 v rst in2 < 4.46 v, i rst out1 = 1 ma 50 200 ma com10v output [v cc = 13.2v, v stby = 5v, i o 2 = 2a] output voltage v o 2 with an external 2sb921 transistor 9.5 10 10.5 v dropout voltage v drop 2 v cc = 9.5 v 0.3 0.6 v line regulation ? v o ln2 11.2 v v cc 18 v 30 300 mv load regulation ? v o ld2 0 i o 2 2 a 200 800 mv control input current i cont 20 ma output off voltage v o 2 off 0.2 v ripple rejection p rej 2 c cn =1 f, f =120 hz, 11.2v v cc 18 v 70 db (for reference purposes) electrical characteristics at ta = 25 c, in the specified test circuit parameter symbol conditions ratings unit recommended supply voltage v cc 6 to 18 v stby pin input voltage v st off output off control voltage 0 to 1.5 v v st on output on control voltage 3.5 to 5 v v dd 5v output current i o 1 0 to 50 ma com10v output current i o 2 within the external transistor aso ma com8v output current i o 3 0 to 200 ma tape8v output current i o 4 0 to 30 ma rd8v output current i o 5 0 to 150 ma fm8v output current i o 6 0 to 100 ma acc5v output current i o 7 0 to 100 ma cd5v output current i o 8 0 to 300 ma amp+b output current i o 9 0 to 100 ma ant+b output current i o 10 0 to 500 ma p1 (ill) output current i o 11 0 to 10 ma p2 (lcd) output current i o 12 0 to 10 ma p3 (cap mr) output current i o 13 0 to 10 ma p4 (rsv) output current i o 14 0 to 10 ma operating ranges at ta = 25 c continued on next page.
no. 6499- 3 /13 LA5635H continued from preceding page. parameter symbol conditions ratings unit min typ max com8v output [v cc = 13.2v, v stby = 5v, i o 3 = 200ma] output voltage v o 3 7.6 8 8.4 v dropout voltage v drop 3 v o 2 = 7.6 v 1.0 1.4 v line regulation ? v o ln3 9.9 v v cc 18 v 50 75 mv load regulation ? v o ld3 0 i o 3 200 ma 100 150 mv peak output current i o p3 200 ma output shorted current i o sc3 350 ma (for reference purposes) output off voltage v o 3 off 0.2 v tape8v output [v cc = 13.2v, v stby = 5v, i o 4 = 30ma] output voltage v o 4 7.6 8 8.4 v dropout voltage v drop 4 v o 2 = 7.6 v 1.0 1.4 v line regulation ? v o ln4 9.9 v v cc 18 v 50 75 mv load regulation ? v o ld4 0 i o 4 30 ma 100 150 mv peak output current i o p4 30 ma output shorted current i o sc4 60 ma (for reference purposes) output off voltage v o 4 off 0.2 v rd8v output [v cc = 13.2 v, v stby = 5v, i o 5 = 150ma] output voltage v o 5 7.6 8 8.4 v dropout voltage v drop 5 v o 2 = 7.6 v 1.0 1.4 v line regulation ? v o ln5 9.9 v v cc 18 v 50 75 mv load regulation ? v o ld5 0 i o 5 150 ma 100 150 mv peak output current i o p5 150 ma output shorted current i o sc5 320 ma (for reference purposes) output off voltage v o 5 off 0.2 v fm8v output [v cc = 13.2v, v stby = 5v, i o 6 = 100ma] output voltage v o 6 7.6 8 8.4 v dropout voltage v drop 6 v o 2 = 7.6 v 1.0 1.4 v line regulation ? v o ln6 9.9 v v cc 18 v 50 75 mv load regulation ? v o ld6 0 i o 6 100 ma 100 150 mv peak output current i o p6 100 ma output shorted current i o sc6 230 ma (for reference purposes) output off voltage v o 6 off 0.2 v output voltage difference 3 ? v o def3 between rd8v and fm8v, i o 5 = 150 ma 0.4 v acc5v [v cc = 13.2v, v stby = 5v, i o 7 = 100ma] output voltage v o 7 4.75 5 5.25 v dropout voltage v drop 7 v o 2 = 4.75 v 1.0 1.4 v line regulation ? v o ln7 6.7 v v cc 18 v 50 75 mv load regulation ? v o ld7 0 i o 7 100 ma 100 150 mv peak output current i o p7 100 ma output shorted current i o sc7 220 ma (for reference purposes) output off voltage v o 7 off 0.2 v cd5v output [v cc = 13.2v, v stby = 5v, i o 8 = 300ma] output voltage v o 8 4.75 5 5.25 v dropout voltage v drop 8 v o 2 = 4.75 v 1.0 1.4 v line regulation ? v o ln8 6.7 v v cc 18 v 50 75 mv load regulation ? v o ld8 0 i o 8 300 ma 100 150 mv peak output current i o p8 300 ma output shorted current i o sc8 600 ma (for reference purposes) output off voltage v o 8 off 0.2 v continued on next page.
no. 6499- 4 /13 LA5635H continued from preceding page. parameter symbol conditions ratings unit min typ max amp + b output [v cc = 13.2v, v stby = 5v, i o 9 = 100ma] output voltage v o 9 11.7 12.2 v dropout voltage v drop 9 1 1.5 v peak output current i o p9 100 ma output shorted current i o sc9 170 ma (for reference purposes) output off voltage v o 9 off 0.2 v ant + b output [v cc = 13.2v, v stby = 5v, i o 10 = 500ma] output voltage v o 10 11.7 12.2 v dropout voltage v drop 10 1 1.5 v peak output current i o p10 500 ma output shorted current i o sc10 250 ma (for reference purposes) output off voltage v o 10 off 0.2 v p1 (ill) output [v cc = 13.2v, v stby = 5v, i o 11 = 10ma] dropout voltage v drop 11 0.4 0.8 v sink output current i o 11 10 ma p2 (lcd) output [v cc = 13.2v, v stby = 5v, i o 12 = 10ma] dropout voltage v drop 12 0.4 0.8 v sink output current i o 12 10 ma p3 (cap mr) output [v cc = 13.2v, v stby = 5v, i o 13 = 10ma] dropout voltage v drop 13 0.4 0.8 v sink output current i o 13 10 ma p4 (rsv) output [v cc = 13.2v, v stby = 5v, i o 14 = 10ma] dropout voltage v drop 14 0.4 0.8 v sink output current i o 14 10 ma reset operation characteristics 0 0 2 4 6 8 reset output voltage, v rst out v 15 10 5 v identical for both reset block 1 and reset block 2 ta = 25 c with 13 k pull-up resistors inserted between rstout1/2 and v cc . rt (4 .6vt yp) v rth ( 0.26 vtyp ) v rst out v rst in
no. 6499- 5 /13 LA5635H rst in2 tape8v cn2 cn1 cont p2(lcd) p1(ill) v cc rst in1 rst out1 ant+b rst out2 7 1 2 3 4 5 6 13 12 8 9 10 11 14 latch acc5v rd8v cd5v stby amp+b tp1(5v) data com8v p4 (rs v) fm8v gnd p3 (ca pmr) clk com10v 15 16 17 18 19 21 28 27 26 25 24 23 22 20 top view v dd 5v gnd nc la 563 5h 0.4 0 0.8 1.2 1.6 2.0 2.4 30 20 0 20 40 60 80 100 pd max ta ambient temperature, ta c independent ic circuit board size: 76.1 114.3 1.6 mm 3 glass epoxy resin board 0.82 2.01 1.05 0.43 allowable power dissipation, pdmax w mounted on a circuit board pin assignments
no. 6499- 6 /13 LA5635H pin functions pin no. name description equivalent circuit ? voltage detection inputs: pins 6 and 8 are the corresponding outputs. ? internal reference voltage: 4.70 v, typical ? used for +b detection, acc detection, and other purposes by resistor voltage division of the +b level. 1 5 rst in2 rst in1 1 5 v cc reset signal outputs to the microcontroller and other circuits 2 4 rst out2 rst out1 2 4 ? v cc C1v unstabilized outputs that can provide 100 or 500ma ? the on/off state of these outputs can be controlled with serial data. ? used with the ant+b and amp+b systems. 3 28 v cc 500ma (ant+b) v cc 100ma (ant+b) 28 3 v cc pin 6: power supply * : this pin must be at the same potential as the emitter of the external transistor. pin 11: bias for the external transistor. the maximum sink current is 20 ma. pin 12: ripple rejection for each of the power supply systems. to increase the rejection capacity, insert a 1 f capacitor between this pin and pin 27. ? this pin controls the com10v output voltage. the voltage is set to 10 v internally. pin 27: the 10 v power supply used for cd power, tuner vt, cassette loading, lcd, and ill illumination. ? used as the power supply for internal 8v and 5v (except v dd 5v) systems. ? the output voltage can be controlled with the cn1 pin. the ripple rejection can be improved at the cn1 pin. 6 11 12 27 v cc cont cn1 com10v 6 11 100 27 12 2.2 k 5.1 k 13 k 35 k 10 k v cc v cc v cc v cc continued on next page.
no. 6499- 7 /13 LA5635H continued from preceding page. pin no. name description equivalent circuit ? when +b is applied to the v dd 6 pin, 5 v is output. ? used as the power supply for systems, such as the microcontroller, that require memory backup. ? iq = 600 to 780 a the current flowing into pin 7 when v cc is off, is minimal. 7 v dd 5v 7 v cc ? the on/off state of these systems is controlled by the serial data. pin 9: ill illumination on/off control pin 10: lcd illumination on/off control pins 20 and 21: used for other applications. 8 nc 21 20 9 10 v cc 9 10 20 21 p1 (iil) p2 (lcd) p4 (cap mr) p3 (rsv) ? stabilized 5 v system and 8 v system power supply outputs ? the on/off state of these systems is controlled by the serial data. application examples pin 13: insert a capacitor of about 1 f between this pin and pin 14 to improve the tape8v ripple rejection. this pin controls the pin 14 output voltage. set this pin to about 7 v by inserting a resistor between this pin and ground if impulse noise from the dolby ic occurs in cranking mode. pin 14: tape8v pin 15: acc5v, digital system 5 v power supply pin 16: rd8v pin 17: cd5v pin 18: fm8v power supply for use with a band switch pin 19: com8v power supply for an electronic volume/tone control circuit . * : note that the total pd must not exceed the ic rating. 13 5. 1 k 8 v: 27 k 5 v: 15 k 19 only applies to the pin 14 output block 18 17 16 15 14 v cc 13 14 15 16 17 18 19 cn2 8v 30ma (tape 8v) 5v 100ma (acc 5v) 8v 150ma (rd 8v) 5v 300ma (cd 5v) 8v 100ma (fm 8v) 8v 200ma (com 8v) ? the serial data received over this serial interface controls the outputs other than com10v and v dd 5. it also controls the on/off state of p1 to p4. 25 22 23 2 k v cc 22 23 25 clk data latch continued on next page.
no. 6499- 8 /13 LA5635H continued from preceding page. pin no. name description equivalent circuit ? monitors the power supply used for the internal logic circuits (the clk, data, and latch inputs and on/off control). 24 tp1 (5v) 5.1 k 15 k 2 k 24 com10 v ? controls the running/stopped state of this ic. ? when low, only dcc5v operates. all other circuits are stopped. ? when high, only com10v and v dd 5v operate unconditionally. all other outputs are controlled by the serial data. 26 stby 26 20 k 40 k 40 k v cc connected to the ic substrate (lowest potential) frame gnd
no. 6499- 9 /13 LA5635H p4 (rsv) p3 (capmr) p2 (lcd) p1 (ill) ant+b amp+b cd5v acc5v fm8v rd8v tape8v com8v com10v stby input v dd 5v v cc input application system power supply on application system power supply off application system power supply off fm aux tape cd am ill ill acc on acc on acc off acc off bat open bat open output when v cc applied. the following outputs are controlled by the serial data. synchronized with the stby pin operates com10v and the control circuits. output timing chart
control timing and data formats input the stipulated data to the clk, data, and latch pins to control the outputs other than the v dd 5v and com10v outputs. no. 6499- 10 /13 LA5635H clk data 1 s min 2 s min 1 s min d1 (com8v) latch on the rising edge (latch) 1 s min data (which is high at this point) is read on the clk falling edge. clk data d12 (p4) latch on the rising edge (latch) example 1 to set com8v on example 2 to set p4 on data d1 d2 d3 d4 d5 d6 d7 d8 d9 d10 d11 d12 output com8v tape8v rd8v fm8v acc5v cd5v amp+b ant+b p1 (ill) p2 (lcd) p3 (cap mr) p4 (rsv)
no. 6499- 11 /13 LA5635H error amp error amp error amp error amp error amp error amp error amp v cc rstin1 rstout1 rd8v fm8v acc5v cd5v tape8v com8v cn1 com10v v dd 5v p4(rsv) external * 1 latch data cl k cont stby ant+b amp+b p3(cap mr) p1(ill) vref c.l c.l c.l c.l c.l c.l t.s.d start up start up error amp latch 12 bit sw 12 bit shift register c. l vref c. l c. l cn2 6 19 14 13 16 15 18 p2(lcd) 7 4 22 23 25 28 3 21 20 fr gnd * 2 17 9 1 0 24 tp1(5v) * 1: the external pnp transistor must be 2sb921 or equivalent . 11 5 27 12 2 1 rstin2 rstout2 * 2: fr = frame 26 equivalent circuit block diagram
specified test circuit no. 6499- 12 /13 LA5635H acc5v ant+b v dd 5v tape8v cn2 p2(lcd) p1(ill) gnd rst out2 rst in2 rst out1 rst in1 cn1 cont v cc 7 1 2 3 4 5 6 13 1 2 8 9 1 0 11 1 4 latch rd8v cd5v fm8v stby amp+b tp1(5v) data p4(rsv) p3 (capmr) com8v gnd clk com10v 1 5 1 6 17 18 1 9 2 1 2 8 2 7 2 6 2 5 2 4 2 3 2 2 2 0 logic signal generation + c08 c05 c06 c03 + + 10 f 10 f 10 f 10 f + c01 + 10 f c02 22 f + v stby + v cc + 100 f 2sb921 + 1 f cn 0.1 f + v rst 1 10 k c rst1 ctp cin c04 + 10 f 0.01 f 10 k 0.1 f + v rst 2 c rst2 nc c07 10 f + LA5635H
ps no. 6499- 13 /13 LA5635H this catalog provides information as of april, 2004. specifications and information herein are subject to change without notice. specifications of any and all sanyo products described or contained herein stipulate the performance, characteristics, and functions of the described products in the independent state, and are not guarantees of the performance, characteristics, and functions of the described products as mounted in the customers products or equipment. to verify symptoms and states that cannot be evaluated in an independent device, the customer should always evaluate and test devices mounted in the customers products or equipment. sanyo electric co., ltd. strives to supply high-quality high-reliability products. however, any and all semiconductor products fail with some probability. it is possible that these probabilistic failures could give rise to accidents or events that could endanger human lives, that could give rise to smoke or fire, or that could cause damage to other property. when designing equipment, adopt safety measures so that these kinds of accidents or events cannot occur. such measures include but are not limited to protective circuits and error prevention circuits for safe design, redundant design, and structural design. in the event that any or all sanyo products (including technical data, services) described or contained herein are controlled under any of applicable local export control laws and regulations, such products must not be exported without obtaining the export license from the authorities concerned in accordance with the above law. no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying and recording, or any information storage or retrieval system, or otherwise, without the prior written permission of sanyo electric co., ltd. any and all information described or contained herein are subject to change without notice due to product/technology improvement, etc. when designing equipment, refer to the delivery specification for the sanyo product that you intend to use. information (including circuit diagrams and circuit parameters) herein is for example only; it is not guaranteed for volume production. sanyo believes information herein is accurate and reliable, but no guarantees are made or implied regarding its use or any infringements of intellectual property rights or other rights of third parties.

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